# Calculadora URSA AIR

> Calculadora URSA AIR (iPhone/iPad app by Etex SA.)

- Source: https://appshunter.io/ios/app/calculadora-ursa-air/id854332627 (this page in markdown: same URL + `.md`)
- Developer: [Etex SA](https://appshunter.io/developer/1400502838)
- Category: Utilities, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 22 MB
- Languages: American English, French (France), Polish, European Spanish
- Released: 2014-04-10
- Data updated: 2026-06-08
- User reviews in markdown: https://appshunter.io/ios/app/calculadora-ursa-air/id854332627/reviews.md

## What is Calculadora URSA AIR?

URSA AIR calculator is a very simple application to use, which allows:

- Correlate the different parameters of interest to calculate an installation duct: flow rate, air speed, inner conduit section and pressure drop.

URSA Calculator With AIR, simple installations can be dimensioned duct URSA AIR, or solved problems arising in situ work.


## Version history (last 5 releases)

### 2.2.1 — 2018-10-23

Minor fixed bugs

### 2.2 — 2018-10-14

We have modified the navigation of the App to make it more intuitive.
Added guided aids to understand the operation of the App.

### 2.1 — 2016-03-10

Internal updates to offer better performance.

### 2.0 — 2016-02-17

-We have designed completely App for a better user experience.
-An adaptation to the new models of iPhone 6S and 6S Plus.

### 1.0 — 2014-04-08

No release notes.

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## More apps by Etex SA

- [Etex Summit 2024](https://appshunter.io/ios/app/etex-summit-2024/id6651835903)

All apps by Etex SA: https://appshunter.io/developer/1400502838

## Related topics

[ursa](https://appshunter.io/ios/topics/ursa)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*